Is the person or object photographed by wet printing photography positive?

The figures or objects photographed by wet printing photography include both positive and negative techniques. After a series of steps such as exposure, development and fixing, wet plate photography can obtain permanent negative or positive images on glass. Therefore, people or things photographed by wet printing photography are not all positive.

Wet printing is a photographic technology with glass or iron as the negative. This is an ancient photography technique from19th century.